Injen SES1581TT - 17-20 Honda Civic Si 1.5L Turbo (Sedan Only) 3in Cat-Back Stainless Steel Exhaust

Injen - SES1581TT

Injen Performance Exhaust System for the 2017-2018 Honda Civic Si

Cat-Back Exhaust System; Incl. Tubing/Mid Section Pipe w/Resonator/Dual 4 in. Titanium Tips/Hardware; HP Gains +11 HP/Torque Gains +10 ft./lbs.; 304 Stainless Steel; Polished;

The Injen Technology engineers are experts when it comes to performance, PERIOD. From Cars to Trucks to Powersports, Injen has a variety of exhaust systems to choose from. All of Injen Technology Performance exhaust systems are constructed from mandrel bent stainless steel tubing Mandrel-bending ensures the tubing maintains its shapes and size throughout the entire length, providing smooth, unrestricted airflow. From the Investment cast flanges to the custom hangers, all Injen exhaust systems are 100% TIG welded and handcrafted in the USA and include all tubing, mufflers, and hardware necessary for a hassle free installation. Each system is uniquely designed to offer an aggressive sound that brings out some massive power. Like all other Injen products, the Injen exhaust systems are proudly built in Pomona, CA.

• Fits Civic Si Sedan models ONLY
• Center exit design fits with factory rear valance
• Dyno Proven gains of up to 11 hp and 10 lb?ft of torque
• Full 76MM piping made from premium 304 SS Mandrel-Bent Tubing
• Features Injen's integrated resonator for crisp, clean sound
• Beautiful dual 4.0"burnt titanium exhaust tips
• Stainless Steel Investment Cast Flanges For a Fast and Easy Install
• Hand Crafted and TIG Welded to Perfection for Strength and Durability
• No Cutting or Welding Required
• Premium Stainless Steel Hardware and Hangers
• If you're looking to improve sound, power, and looks then this is the system for you!
• Manufactured in Pomona, California USA